Hologram apparatus and recording method of the same
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United States of America Patent
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Issued Date -
Jul 26, 2007
app pub date -
Nov 1, 2005
filing date -
Oct 5, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A hologram apparatus comprises a light detection unit detecting a light intensity of at least one of the data beam and the reference beam; a determination unit determining whether light intensities of the data beam and the reference beam reach to a reference value which can form a hologram having certain diffraction efficiency, based on the light intensity detected by the light detection unit; and a block unit blocking application of at least one of the data beam and the reference beam into the hologram recording medium, based on the result of the determination of the determination unit indicating that the light intensities of the data beam and the reference beam reach to the reference value.
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